The United States has reportedly encouraged intelligence agencies to ramp up spying efforts in Greenland amid President Donald Trump repeatedly floating the idea of taking over the Arctic island.... The Wall Street Journal reported, citing two sources, that high-ranking officials working under Director of National Intelligence Tulsi Habbard sent a "collection of emphasis message" to the heads of various intelligence agencies last week. Intelligence agencies have been directed to learn more about the independence movement on the island and the general attitude of the Greenlanders towards American resource extraction, the Journal added. The agencies have been asked to use tools...